Zabbix

ported 3274:3290 from 1.1.2 (Eugene)

 - improved macro variables substitution in message body/subject (Eugene)
 - minor fix of static linkage (Eugene)
 - fixed support of PostgreSQL (Eugene)
 - fixed DBinsert_id function for oracle (Eugene)
 - fixed autoregistration in oracle system (Eugene)
 - updated postgresql cheme, added start value for sequencers (Eugene)
 - fixed limitation of return value of some items (Eugene)
 - added color selection for trigger severity 'warning' and 'information' (Eugene)